Which telescope manufacturer was the first to successfully market their products through a partnership with NASA, featuring their equipment in live space mission broadcasts?

The astronomy industry has seen remarkable marketing innovations over the decades. From humble beginnings to space-based observatories, telescope manufacturers have employed various strategies to capture both the market and the imagination of stargazers worldwide. This question explores a notable marketing breakthrough that changed how astronomy products reached consumers. Test your knowledge of astronomy product history!

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Celestron, with their orange tube C8 telescopes featured during Apollo missions (1969-1972)
Meade Instruments, through their StarNavigator series used in Skylab communications (1973-1974)
Questar Corporation, whose telescopes were used by astronauts during the Gemini program (1965-1966)
Takahashi, whose refractors were featured in early Space Shuttle mission broadcasts (1981-1983)